The 2018 MLB Japan All-Star Series is the twelfth edition of the MLB Japan All-Star Series, a best-of-six series between the All-Star team from Major League Baseball (MLB) and, for the second time in series history, the national team, Samurai Japan. Before the official games, there will be two exhibition games: Samurai Japan vs Chinese Taipei (Taiwan) and MLB All-Stars vs Yomiuri Giants (Japan).